Home / 65,661,664.08-98,503,080.12-20,223,437.52

Finding the Fourth Proportional to 65,661,664.08, 98,503,080.12 and 20,223,437.52

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Solution

The fourth proportional to 65,661,664.08, 98,503,080.12 and 20,223,437.52 is: 30,338,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,661,664.08 : 98,503,080.12 = 20,223,437.52 : x
  2. Step 2: Convert to fraction form
    65,661,664.08/98,503,080.12 = 20,223,437.52/x
  3. Step 3: Cross multiply
    65,661,664.08x = 98,503,080.12 × 20,223,437.52
  4. Step 4: Simplify right side
    65,661,664.08x = 1,992,070,886,334,374.25
  5. Step 5: Solve for x
    x = 1,992,070,886,334,374.25/65,661,664.08
  6. Step 6: Final answer
    x = 30,338,416.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.